CN105017704A - Plastic toughening modification method - Google Patents
Plastic toughening modification method Download PDFInfo
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- CN105017704A CN105017704A CN201510368182.2A CN201510368182A CN105017704A CN 105017704 A CN105017704 A CN 105017704A CN 201510368182 A CN201510368182 A CN 201510368182A CN 105017704 A CN105017704 A CN 105017704A
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- reaction
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- styrene monomer
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- 239000004033 plastic Substances 0.000 title claims abstract description 18
- 229920003023 plastic Polymers 0.000 title claims abstract description 18
- 238000002715 modification method Methods 0.000 title abstract 5
- 238000006243 chemical reaction Methods 0.000 claims abstract description 22
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 claims abstract description 18
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical group C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000011347 resin Substances 0.000 claims abstract description 18
- 229920005989 resin Polymers 0.000 claims abstract description 18
- 229920000058 polyacrylate Polymers 0.000 claims abstract description 9
- 229920000515 polycarbonate Polymers 0.000 claims abstract description 9
- 239000004417 polycarbonate Substances 0.000 claims abstract description 9
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000010419 fine particle Substances 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 7
- 238000005406 washing Methods 0.000 claims abstract description 7
- 238000001125 extrusion Methods 0.000 claims abstract description 3
- 230000000051 modifying effect Effects 0.000 claims description 16
- 239000008187 granular material Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 12
- 150000002825 nitriles Chemical class 0.000 claims description 10
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 8
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 8
- 229940037003 alum Drugs 0.000 claims description 8
- 229920006380 polyphenylene oxide Polymers 0.000 claims description 8
- 229910052700 potassium Inorganic materials 0.000 claims description 8
- 239000011591 potassium Substances 0.000 claims description 8
- LKOVPWSSZFDYPG-WUKNDPDISA-N trans-octadec-2-enoic acid Chemical compound CCCCCCCCCCCCCCC\C=C\C(O)=O LKOVPWSSZFDYPG-WUKNDPDISA-N 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 4
- 230000035484 reaction time Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 5
- 239000002245 particle Substances 0.000 abstract description 3
- 239000005062 Polybutadiene Substances 0.000 abstract 1
- 238000005054 agglomeration Methods 0.000 abstract 1
- 230000002776 aggregation Effects 0.000 abstract 1
- 229920002857 polybutadiene Polymers 0.000 abstract 1
- 229920013636 polyphenyl ether polymer Polymers 0.000 abstract 1
- 229940096992 potassium oleate Drugs 0.000 abstract 1
- MLICVSDCCDDWMD-KVVVOXFISA-M potassium;(z)-octadec-9-enoate Chemical compound [K+].CCCCCCCC\C=C/CCCCCCCC([O-])=O MLICVSDCCDDWMD-KVVVOXFISA-M 0.000 abstract 1
- 229920000728 polyester Polymers 0.000 description 9
- 229920001169 thermoplastic Polymers 0.000 description 9
- 239000004416 thermosoftening plastic Substances 0.000 description 9
- 239000002699 waste material Substances 0.000 description 8
- 238000005453 pelletization Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a plastic toughening modification method. The plastic toughening modification method comprises following steps: step 1, styrene monomer, vinyl cyanide, polybutadiene, and potassium oleate are mixed and heated, after reaction, alums is added, fine particles are obtained via agglomeration, and the fine particles are subjected to washing and drying so as to obtain powdery particles; step 2, styrene monomer, vinyl cyanide, and ethylbenzene are mixed and heated, and molten resin is obtained via reaction; step 3, the powdery particles obtained via the step 1 and the molten resin obtained via the step 2 are mixed, polyphenyl ether, polycarbonate, and modified polyacrylate are mixed in a mixer, and an obtained mixture is subjected to extrusion forming so as to obtain a finished product. The plastic toughening modification method is mild in reaction conditions; operation is simple; the plastic material prepared via the plastic toughening modification method is high in impact strength and toughness.
Description
Technical field
The invention belongs to technical field of plastic production, be specifically related to a kind of plastic toughening method of modifying.
Background technology
Thermoplastic polyester is the class crystalline polymer that fusing point is higher, excellent in mechanical performance, and water-intake rate is low, good dimension stability, condition of molding is good, low friction, and creep resistance under load is good, be widely used in the fields such as machinery, electronics, automobile, electrical equipment manufacture and the consumer's goods.Although thermoplastic polyester has the performance of many excellences, its impact property is not very well, and the shrinking percentage of moulded products is also comparatively large, is very limited in high-impact field.The toughening modifying of thermoplastic polyester comprises blended, copolymerization toughening modifying, and wherein general method of modifying is Blending Toughening Modification.It is toughness reinforcing, rubber toughened that the Blending Toughening Modification of thermoplastic polyester mainly comprises hips resin, rigid inorganic filler toughening, inorganic nano-particle toughening modification.In general, the effect of rubber and hips resin toughening modifying is better than inorganic nano, the toughening modifying effect of rigid particles.
Along with the development of society, on the one hand, the competition between industry is fierce all the more.Want commercially to have one seat, product must have higher cost performance.While maintenance product performance, reducing the cost of product, is an important approach.Thermoplastic polyester crucial technique direction in toughening modifying substitutes thermoplastic polyester and toughner in whole or in part, in order to capture middle and low-end market with the raw material that price is lower.On the other hand, society have accumulated a large amount of waste rubber goodses, waste and old polyester, if be not used, then can produce a large amount of solid waste, bring very large destruction to environment.Waste and old thermoplastic polyester, owing to being thermoplastics, can become all or part of alternative thermoplastic polyester of reworked material by secondary processing.Waste rubber goods can reclaim and be processed into regnerated rubber powder, is directly used in rubber by surface treatment, the fields such as pitch.Same, also can be added in plastics as the toughner with high performance-price ratio, but the kind that prerequisite is waste old to match and could obtain excellent mechanical performances with the kind of plastics.Chinese patent CN98119862.7 discloses mixture of a kind of waste or used plastics and rubber and preparation method thereof, plastic raw materials in patent is the mixture of various waste or used plastics, rubber raw materials is the mixture of various waste old, blended material kind is not effectively separated, is mated, occur being separated through the blended material prepared, stress concentration, performance extreme difference, range of application is narrow.Although its price reduces, the non-constant of performance, it is lower that cost performance becomes on the contrary, do not have competitive power.
Summary of the invention
Goal of the invention: the method for modifying that the object of this invention is to provide a kind of plastics, can increase its toughness.
Technical scheme: the invention provides a kind of plastic toughening method of modifying, carry out according to the following steps:
Step 1, by the mixing of styrene monomer, third rare nitrile, polyhutadiene and octadecenoic acid potassium, heat up, add alum after reaction terminates, cohesion obtains fine particle, and washing, drying, obtain powdered granule;
Step 2, mixes styrene monomer, vinyl cyanide and ethylbenzene, heats up, and obtains molten resin after reaction terminates;
Step 3, the molten mixed with resin that powdered granule step 1 obtained and step 2 obtain, then add polyphenylene oxide, polycarbonate and modified polyacrylate and mix in a mixer, extrusion molding, obtains product.
Concrete, the temperature of reaction in described step 1 is 90 ~ 95 DEG C, preferably 90 DEG C, and the reaction times is 5 ~ 6h, preferred 5h; After adding alum, temperature keeps 90 ~ 95 DEG C, preferably 90 DEG C.In described step 1, the mass ratio of styrene monomer, third rare nitrile, polyhutadiene and octadecenoic acid potassium is: 60 ~ 70:10 ~ 40:5 ~ 15:0.1 ~ 0.2.Preferred 60:10:5:0.1.
Temperature of reaction in described step 2 is 120 ~ 125 DEG C, preferably 120 DEG C, and reaction pressure is 0.2 ~ 0.3 MPa, preferably 0.2 MPa, and the reaction times is 5 ~ 6h, preferred 5h.In described step 2, the mass ratio of styrene monomer, third rare nitrile and ethylbenzene is: 70 ~ 80:30 ~ 40:7 ~ 8.Preferred 70:30:7.
In described step 3, powdered granule, molten resin, polyphenylene oxide, polycarbonate and modified polyacrylate mass ratio are 5:5:2:2:1.
Beneficial effect: preparation method provided by the invention, reaction conditions is gentle, simple to operate, and the plastic material anti-impact level intensity utilizing present method obtained is large, has good toughness.
Embodiment:
Embodiment 1
Styrene monomer 60g, third rare nitrile 10g, polyhutadiene 5g and octadecenoic acid potassium 0.1g are mixed, temperature of reaction is 90 DEG C, and react 5 hours, add alum after terminating, temperature keeps 90 DEG C, and cohesion obtains fine particle, and washing, drying, obtain powdered granule;
Styrene monomer 70g, vinyl cyanide 30g and ethylbenzene 7g are mixed, temperature of reaction is 120 DEG C, pressure 0.2 MPa, reacts and obtains molten resin after 5 hours;
By 50g powdered granule and 50g molten mixed with resin, then add 20g polyphenylene oxide, 20g polycarbonate and 10g modified polyacrylate and mix in a mixer, then enter extruding pelletization in twin screw extruder.Obtain product 1.After testing, anti-impact level intensity reaches 189J/m.
Embodiment 2
Styrene monomer 70g, third rare nitrile 40g, polyhutadiene 15g and octadecenoic acid potassium 0.1g are mixed, temperature of reaction is 90 DEG C, and react 6 hours, add alum after terminating, temperature keeps 90 DEG C, and cohesion obtains fine particle, and washing, drying, obtain powdered granule;
Styrene monomer 80g, vinyl cyanide 30g and ethylbenzene 8g are mixed, temperature of reaction is 120 DEG C, pressure 0.2 MPa, reacts and obtains molten resin after 5 hours;
By 50g powdered granule and 50g molten mixed with resin, then add 20g polyphenylene oxide, 20g polycarbonate and 10g modified polyacrylate and mix in a mixer, then enter extruding pelletization in twin screw extruder.Obtain product 2.After testing, anti-impact level intensity reaches 165J/m.
Embodiment 3
Styrene monomer 60g, third rare nitrile 20g, polyhutadiene 5g and octadecenoic acid potassium 0.2g are mixed, temperature of reaction is 90 DEG C, and react 5 hours, add alum after terminating, temperature keeps 90 DEG C, and cohesion obtains fine particle, and washing, drying, obtain powdered granule;
Styrene monomer 75g, vinyl cyanide 40g and ethylbenzene 7g are mixed, temperature of reaction is 120 DEG C, pressure 0.2 MPa, reacts and obtains molten resin after 5 hours;
By 50g powdered granule and 50g molten mixed with resin, then add 20g polyphenylene oxide, 20g polycarbonate and 10g modified polyacrylate and mix in a mixer, then enter extruding pelletization in twin screw extruder.Obtain product 3.After testing, anti-impact level intensity reaches 168J/m.
Embodiment 4
Styrene monomer 60g, third rare nitrile 20g, polyhutadiene 5g and octadecenoic acid potassium 0.2g are mixed, temperature of reaction is 90 DEG C, and react 6 hours, add alum after terminating, temperature keeps 90 DEG C, and cohesion obtains fine particle, and washing, drying, obtain powdered granule;
Styrene monomer 75g, vinyl cyanide 40g and ethylbenzene 7g are mixed, temperature of reaction is 120 DEG C, pressure 0.2 MPa, reacts and obtains molten resin after 6 hours;
By 50g powdered granule and 50g molten mixed with resin, then add 20g polyphenylene oxide, 20g polycarbonate and 10g modified polyacrylate and mix in a mixer, then enter extruding pelletization in twin screw extruder.Obtain product 4.After testing, anti-impact level intensity reaches 185J/m.
Claims (6)
1. a plastic toughening method of modifying, is characterized in that carrying out according to the following steps:
Step 1, by the mixing of styrene monomer, third rare nitrile, polyhutadiene and octadecenoic acid potassium, heat up, add alum after reaction terminates, cohesion obtains fine particle, and washing, drying, obtain powdered granule;
Step 2, mixes styrene monomer 70g, vinyl cyanide 30g and ethylbenzene 7g, and heat up, temperature of reaction is 120 DEG C, pressure 0.2 MPa, reacts and obtains molten resin after 5 hours;
Step 3, by 50g powdered granule and 50g molten mixed with resin, then add polyphenylene oxide, polycarbonate and modified polyacrylate and mix in a mixer, extrusion molding, obtains product.
2. method of modifying as claimed in claim 1, it is characterized in that the temperature of reaction in described step 1 is 90 ~ 95 DEG C, the reaction times is 5 ~ 6h; After adding alum, temperature keeps 90 ~ 95 DEG C.
3. method of modifying as claimed in claim 1, is characterized in that the mass ratio of styrene monomer in described step 1, third rare nitrile, polyhutadiene and octadecenoic acid potassium is: 60 ~ 70:10 ~ 40:5 ~ 15:0.1 ~ 0.2.
4. method of modifying as claimed in claim 1, it is characterized in that the temperature of reaction in described step 2 is 120 ~ 125 DEG C, reaction pressure is 0.2 ~ 0.3 MPa, and the reaction times is 5 ~ 6h.
5. method of modifying as claimed in claim 1, is characterized in that the mass ratio of styrene monomer in described step 2, third rare nitrile and ethylbenzene is: 70 ~ 80:30 ~ 40:7 ~ 8.
6. method of modifying as claimed in claim 1, is characterized in that powdered granule in described step 3, molten resin, polyphenylene oxide, polycarbonate and modified polyacrylate mass ratio are 5:5:2:2:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510368182.2A CN105017704A (en) | 2015-06-29 | 2015-06-29 | Plastic toughening modification method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510368182.2A CN105017704A (en) | 2015-06-29 | 2015-06-29 | Plastic toughening modification method |
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| Publication Number | Publication Date |
|---|---|
| CN105017704A true CN105017704A (en) | 2015-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510368182.2A Pending CN105017704A (en) | 2015-06-29 | 2015-06-29 | Plastic toughening modification method |
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| Country | Link |
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| CN (1) | CN105017704A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107163489A (en) * | 2017-06-13 | 2017-09-15 | 泉州盈创新材料技术开发有限公司 | A kind of high intensity high heat conduction PC/ABS plastics and preparation method thereof |
| CN107216594A (en) * | 2017-06-18 | 2017-09-29 | 泉州盈创新材料技术开发有限公司 | A kind of wear-resisting heat conduction cable thermoplastic elastomer (TPE) and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1460116A (en) * | 2001-03-28 | 2003-12-03 | 索尼公司 | Method of reclaiming resin |
| CN104559034A (en) * | 2015-01-09 | 2015-04-29 | 机械科学研究总院先进制造技术研究中心 | Modified ABS resin for 3D printing as well as preparation method of modified ABS resin |
-
2015
- 2015-06-29 CN CN201510368182.2A patent/CN105017704A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1460116A (en) * | 2001-03-28 | 2003-12-03 | 索尼公司 | Method of reclaiming resin |
| CN104559034A (en) * | 2015-01-09 | 2015-04-29 | 机械科学研究总院先进制造技术研究中心 | Modified ABS resin for 3D printing as well as preparation method of modified ABS resin |
Non-Patent Citations (1)
| Title |
|---|
| 黄伯琴: "《当代石油和石化工业技术普及读本 合成树脂》", 31 October 2000, 中国石化出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107163489A (en) * | 2017-06-13 | 2017-09-15 | 泉州盈创新材料技术开发有限公司 | A kind of high intensity high heat conduction PC/ABS plastics and preparation method thereof |
| CN107216594A (en) * | 2017-06-18 | 2017-09-29 | 泉州盈创新材料技术开发有限公司 | A kind of wear-resisting heat conduction cable thermoplastic elastomer (TPE) and preparation method thereof |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20151104 |